Part Number NAS1581A3R12 Close Tolerance Screw
SKU: 5305011934513NAS1581A3R12 Close Tolerance Screw Datasheet
National aerospace standards part number NAS1581A3R12
Thread Direction:
Right-hand
Thread Length:
Between 0.338 inches and 0.388 inches
Fastener Length:
Between 1.098 inches and 1.128 inches
Head Style:
Flat countersunk
Head Diameter:
Between 0.2578 inches and 0.3047 inches
Grip Diameter:
Between 0.1885 inches and 0.1895 inches
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.190 inches
Grip Length:
Between 0.740 inches and 0.760 inches
Thready Qty Per Inch (tpi):
32
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c and 40.0 rockwell c
Countersink Angle:
Between 99.0 degrees and 101.0 degrees
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Surface Treatment Specification:
QQ-P-416 type 2 class 2 federal specification single treatment response
Specification Data:
80205-NAS1581 professional/industrial association standard
Manufacturer Cage:
80205
Trade Information:
- Schedule B: 7318152000
- SITC: 69421
- End Use: Iron and steel products, other
- NAICS: 332722
- USDA: 1
Bolts and bolts and their nuts or washers exported in the same shipment
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